/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
/**
* Defines the core concepts of a position held within a portfolio.
* <p>
* A position is a quantity of a specific security.
* The position may optionally be built from a set of trades.
* A portfolio is a tree structure containing positions.
*/
package com.opengamma.core.position;